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Porth Ceriad Surf Forecast
/ Wales – Lleyn (14 surf breaks) /
Surf Forecasts:
Porth Ceriad surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 12 am Thursday 21 May 2026 BSTForecast update in hr min s Forecast update imminent
Porth Ceriad surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porth Ceriad sea temperature is
12.0° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Porth Ceriad today?
The current surf forecast for Porth Ceriad at 9AM is: 1.4m 6s primary swell from a Southwest direction (forecast issued at 12:00am May 21). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 4.5ft (1.4m) | 6s |
| Afternoon (21 May) | 3.5ft (1.1m) | 7s |
| Evening (21 May) | 3ft (0.9m) | 8s |
Table - waves today at Porth Ceriad. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Wed night. Very mild (max 17°C on Thu night, min 12°C on Wed night). Winds decreasing (fresh winds from the S on Wed night, light winds from the SSW by Fri night). | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | ||||||||||||||||||||||
1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SW 8 | SSW 5 | SW 6 | SW 7 | SW 7 | SW 7 | SW 8 | SW 8 | SW 8 | SW 9 | SW 9 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | WSW 10 | WSW 10 | WSW 9 | SW 9 | SW 9 | |
206 | 56 | 190 | 173 | 127 | 121 | 94 | 82 | 75 | 141 | 196 | 181 | 177 | 157 | 157 | 148 | 145 | 100 | 98 | 64 | 63 | 59 | 41 | 40 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | cross-on | on | cross-on | on | on | on | on | on | cross-on | on | on | on | cross-on | cross-on | on | cross-on | cross-on | on | on | |
High Tide | 11:47PM4.37m | 12:18PM3.82m | 00:41AM4.09m | 1:15PM3.46m | 1:42AM3.81m | 2:23PM3.18m | ||||||||||||||||||
Low Tide | 7:21AM0.44m | 7:38PM0.87m | 8:21AM0.62m | 8:36PM1.06m | 9:24AM0.78m | 9:40PM1.18m | ||||||||||||||||||
 |  |  |  |  | | | | |  | | | | | |  | | |  | | | | | | |
 | — | 5:11 | — | — | — | — | — | — | — | 5:11 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:16 | — | — | — | — | — | — | — | 9:17 | — | — | — | — | — | — | — | 9:20 | — |
— | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 12 | 12 | 13 | 15 | 16 | 16 | 17 | 16 | 15 | 14 | 14 | 15 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 15 | 15 | 15 |
7 | 6 | 7 | 9 | 12 | 13 | 15 | 15 | 11 | 11 | 11 | 12 | 13 | 15 | 13 | 13 | 13 | 13 | 14 | 12 | 13 | 14 | 13 | 14 | |
Swell 1 Height (m) Direction Period (s) | SW 5 | WSW 8 | W 11 | — | W 15 | W 15 | SW 8 | SW 8 | SW 8 | SW 9 | SW 9 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | WSW 10 | WSW 10 | WSW 9 | SW 9 | SW 9 |
 kJ | 45 | 41 | 10 | — | 4 | 4 | 94 | 82 | 75 | 141 | 196 | 181 | 177 | 157 | 157 | 148 | 145 | 100 | 98 | 64 | 63 | 59 | 41 | 40 |
Swell 2 Height (m) Direction Period (s) | WSW 9 | WSW 11 | — | — | — | — | W 15 | W 15 | W 15 | W 14 | — | — | — | — | — | WSW 4 | SW 4 | SW 4 | WSW 4 | — | — | — | W 14 | SW 13 |
| kJ | 32 | 13 | — | — | — | — | 4 | 4 | 4 | 4 | — | — | — | — | — | 3 | 4 | 4 | 1 | — | — | — | 4 | 7 |
Swell 3 Height (m) Direction Period (s) | WSW 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 8 | SSW 5 | SW 6 | SW 7 | SW 7 | SW 7 | — | — | SSE 3 | SSE 3 | — | — | — | — | — | SW 4 | — | — | — | — | — | — | — | — |
| kJ | 206 | 56 | 190 | 173 | 127 | 121 | — | — | 3 | 4 | — | — | — | — | — | 4 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 60 | 201 | 201 | 201 | 132 | 134 | 134 | 107 | 132 | 33 | 27 | 60 | 3 | 3 | 3 | 60 | 70 | 3 | 3 | 107 | 3 | 3 | 3 | 107 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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